Average Co-Inventor Count = 3.60
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Dittler Brothers Incorporated (3 from 35 patents)
3 patents:
1. 5429698 - Methods and apparatus for printing and collating materials from multiple
2. 5117610 - Methods and apparatus for printing and collating materials from multiple
3. 4197984 - Composite envelope